A rather quick and clunky fix using the Stylus extension but I can't deal with the new look lol.

Here if you wanna copy it for yourself:

.status__info {
border-bottom: 1px solid #f2f2f2;
padding-bottom: 8px;
}

.status__action-bar {
border-top: 1px solid #f2f2f2;
padding-top: 8px;
}

a, .reply-indicator__content a, .status__content a {
color: #a17dee;
}